/* 
 * Cashbox is the legal property of its developers, whose names are listed in the copyright file included
 * with this source distribution.
 * 
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
 * General Public License as published by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
 * Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with this program; if not,
 * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#import <Cashbox/CBBaseObject.h>
#import <Cashbox/CBAttribute.h>

@class CBAttributeInfo, CBAccount, CBLabel;

enum {
	CBInitialState = 0, /* false */
	CBPostedState = -1, /* mixed state */
	CBReconciledState = 1 /* true */
};
typedef NSUInteger CBState;

@protocol CBTransaction
+ (CBAttributeInfo *)attributeInfo;
- (long long)internalTotal;
@end

/* CBTransaction is an abstract class.  Concrete classes should be
 * implemented by subclassing CBTransaction and implementing the
 * CBTransaction protocol. */
@interface CBTransaction : CBBaseObject {
	BOOL ignoresValueChanges;
	BOOL ignoresTransferChange;
}

- (id)initAndInsertIntoAccount:(CBAccount *)account;

@property (retain) NSDate *date;
@property CBState state;
@property long long total;
@property (retain, readonly) CBAccount *account;
@property (retain) CBLabel *label;
@property (retain) CBTransaction *transfer;

+ (NSArray *)standardAttributes;

- (id)valueForRoleType:(CBRoleType)role;
- (void)setValue:(id)value forRole:(CBRoleType)role;

@end

NSInteger attributeKeySort(NSString *keyA, NSString *keyB, Class transactionClass);


